LOS ANGELES, CA - MARCH 10: Musicians Steven Tyler and Joe Perry of Aerosmith with Slash perform onstage during the John Varvatos 10th Annual Stuart House Benefit presented by Chrysler, Kids Tent by Hasbro Studios, at John Varvatos Los Angeles on March 10, 2013 in Los Angeles, California. (Photo by Jason Merritt/Getty Images for John Varvatos)